Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

62°F

17°C

Humidity	62%
Wind Speed	SW 13 mph
Barometer	30.04 in (1016.7 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	31 Mar 5:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles ENE Williamsburg PA

Today
High: 77 °F
Partly Sunny
then Chance
Showers
Tonight
Low: 63 °F
Chance
T-storms
Wednesday
High: 70 °F
Showers
Wednesday Night
Low: 53 °F
Showers
Thursday
High: 70 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 55 °F
Chance
T-storms then
Slight Chance
Showers
Friday
High: 79 °F
Mostly Cloudy
then Chance
T-storms
Friday Night
Low: 58 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 81 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

Today

A chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 77. Southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely, then showers and possibly a thunderstorm after 8am. High near 70. West wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 53. Light northeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

Saturday

A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

Sunday

Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

Sunday Night

Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

Monday

Partly sunny, with a high near 53.